Python入門
import文（パッケージ・モジュールのインポート）

import math, datetime
print(math.fabs(-5)) #絶対値
print(datetime.date(2020, 9, 24)) #日付の作成

import math as m
import datetime as d
print(m.fabs(-5)) #絶対値
print(d.date(2020, 9, 24)) #日付の作成

from math import fabs as f #別名指定
from datetime import date
print(f(-5)) #絶対値
print(date(2020, 9, 24)) #日付の作成

import inspect
def fnc1(s="fnc1"):
    print(f"{__name__}:{s}")
def fnc2(s="fnc2"):
    print(f"{__name__}:{s}")
if __name__ == "__main__":
    fnc1()
    fnc2()

import import_mod
import_mod.fnc1()
import_mod.fnc2("fnc2")

import import_mod as mod
mod.fnc1()
mod.fnc2("fnc2")

from import_mod import fnc1
from import_mod import fnc2 as f2
fnc1()
f2("fnc2")

import import_dir.import_dir_mod
import_dir.import_dir_mod.fnc1()
import_dir.import_dir_mod.fnc2("fnc2")

from import_dir import import_dir_mod
import_dir_mod.fnc1()
import_dir_mod.fnc2("fnc2")

import import_dir.import_dir_mod as mod
mod.fnc1()
mod.fnc2("fnc2")

from import_dir import import_dir_mod as mod
mod.fnc1()
mod.fnc2("fnc2")

from import_dir.import_dir_mod import fnc1
from import_dir.import_dir_mod import fnc2 as f2
fnc1()
f2("fnc2")